Bowflex Error Code Err 4: How to Fix It
Medium 30-45 minutes High Severity
Verified June 2026
- Error Code
- Err 4
- Brand
- Bowflex
- Product Type
- fitness_equipment
- Severity
- High
- DIY Difficulty
- Medium
- Estimated Fix Time
- 30-45 minutes
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Tools You'll Need
- Flashlight or work light
- Soft cloth for cleaning
- Basic screwdriver set
How to Fix Error Code Err 4
-
Power Reset
Always unplug the machine before performing any troubleshooting to avoid electrical shock. -
Check Power Requirements
-
Inspect Power Cord and Connections
Do not use the machine if you find any damaged wiring. This creates a fire and shock hazard. -
Check for Mechanical Obstructions
-
Test Without Load
-
Ventilation Check
-
Console and Display Reset
Handle console connections gently to avoid damaging delicate pins.
Parts You May Need
Replacement power cord
Check Price on Amazon
Drive motor
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Control board or console
Check Price on Amazon
Replacement power cord
Check Price on Amazon
Drive motor
Check Price on Amazon
Control board or console
Check Price on Amazon
Replacement power cord
Check Price on Amazon
Drive motor
Check Price on Amazon
Control board or console
Check Price on Amazon
Replacement power cord
Check Price on Amazon
Drive motor
Check Price on Amazon
Control board or console
Check Price on Amazon
Replacement power cord
Check Price on Amazon
Drive motor
Check Price on Amazon
Control board or console
Check Price on Amazon
Replacement power cord
Check Price on Amazon
Drive motor
Check Price on Amazon
Control board or console
Check Price on Amazon
Replacement power cord
Check Price on Amazon
Drive motor
Check Price on Amazon
Control board or console
Check Price on Amazon
Replacement power cord
Check Price on Amazon
Drive motor
Check Price on Amazon
Control board or console
Check Price on Amazon
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When to Call a Professional
Contact Bowflex customer service or a qualified fitness equipment technician if the error persists after trying all steps, if you find damaged wiring, or if you're uncomfortable working with electrical components. Professional diagnosis may be needed to test the motor, control board, or internal electrical systems.Frequently Asked Questions
What does Bowflex Error Code Err 4 mean?
Error Code Err 4 indicates over-current protection has been triggered, meaning the electrical system detected excessive current flow and shut down to prevent damage to the motor or electronics.
Can I still use my Bowflex with Error Code Err 4?
No, you should not use the machine when this error appears. The over-current protection is a safety feature that prevents damage to electrical components and reduces fire risk.
How do I reset Bowflex Error Code Err 4?
Unplug the machine for 30 seconds, then plug it back in. If the error persists, follow the complete troubleshooting steps to identify and resolve the underlying electrical issue.
Is Bowflex Error Code Err 4 covered under warranty?
Electrical faults like over-current protection trips are typically covered under Bowflex warranty if caused by manufacturing defects. Contact Bowflex customer service to verify your warranty status and coverage.